Photography & Cinema PNC GearBox Cage GB-1 for DSLR Cameras support full size Canon 5D Mark II CNC crafted aircraft aluminum, quality built to last,Lifetime Limited Hardware Warranty. For more information please refer to photograph and cinema website Two rubber coated handles allow comfortable hand held operation and are spread apart to stabilize hand-held shooting styles. The GearBox has been designed to be portable, modular, lightweight, and can be easily disassembled to take up minimal bag space when traveling. Easy to assemble or disassemble, great for travel carry The top black anodized metal bracket carries (14) 1/4-20 threaded holes and (9) 1/4" pass through holes for mounting a variety of hot shoe adapters, mini ball heads The P&C GB-1 GearBox can also be upgraded to use the optional GB-R 15mm Rod Adapter kit (not provided with this purchase) allowing you to mount your 15mm rig accessories (seen above).